Error reporting: SQL syntax error in flask. Fields in SQL statements need quotation marks when formatting

Project scenario ：

Use flask Building framework Connect mysql Error occurs when inserting data into the table

You have a mistake in your SQL grammar ; Please check MySQL The manual corresponding to the server version , In the first line '@qq.com)' Use correct syntax nearby "

Screenshot of error reporting

Cause analysis ：

primary sql sentence : sql = f"""insert into user values ({uname}, {pwd}, {mobile}, {email})"""
sql The fields in the statement are not quoted

Solution ：

Quote all fields

sql = f"""insert into user values ('{
      uname}', '{
      pwd}', '{
      mobile}', '{
      email}')"""